According to official sources, Haymon was arrested after selling cocaine to undercover narcotics officers. He was cooperating with officers while riding with them to another location as part of a drug investigation. Haymon was sitting in the front seat of the patrol car and was not handcuffed. According to officer reports, he "chugged" a bottle of water, then was "chugging" a bottle of Gatorade when he went into what officers described as a seizure.

Officers on the scene carried out CPR, and an ambulance was called to the scene. Haymon was transported to a local hospital where he died, just under two hours from the time of his arrest.

An autopsy last Wednesday revealed no physical injuries that would have caused his death. The coroner found that he had two fractured ribs, but said they were consistent with CPR efforts, which include sharply compressing the chest.

The coroner said he had heard rumors Haymon had been Tasered or otherwise injured, but there was no evidence of that. He said that he is awaiting toxicology reports to see whether Haymon ingested something that could have caused his death.